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Which factors influence the frequency of participation in longitudinal cohort studies? - An analysis of demographics, social factors, and medical preconditions in participants of the health effects in high level exposure to polychlorinated biphenyls (HELPcB) cohort
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Andre EsserInstitute for Occupational, Social, and Environmental Medicine, Medical Faculty, RWTH Aachen University, Aachen, Germanyhttps://orcid.org/0000-0002-6122-0811View further author information
https://orcid.org/0000-0002-6122-0811View further author information, , & Andrea KaifieInstitute for Occupational, Social, and Environmental Medicine, Medical Faculty, RWTH Aachen University, Aachen, GermanyCorrespondence[email protected]
https://orcid.org/0000-0001-5549-7198View further author information
https://orcid.org/0000-0001-5549-7198View further author information